Zyrtec works to relieve allergy symptoms by blocking histamine ... Because Zyrtec-D is an extended-release or long-acting medication, tablets should be swallowed whole to ensure the medication ...

or four tablets (10 mg) once a day, depending on symptom severity. Dosage guidance for Children's Zyrtec Allergy Relief syrup ...

Cetirizine HCl 1mg/mL; grape flavor, and bubble gum (sugar- and dye-free) flavor. Dissolve tabs: may take with or without water. For doses <5mg: use syrup. <2yrs: not recommended. 2–6yrs ...

What is the best allergy medicine for adults that is nondrowsy? Any of the newer antihistamines, such as loratadine (Claritin, Alavert), desloratadine (Clarinex), cetirizine (Zyrtec ...